shuangmenxiananniu

抛物方程能够快速对大区域电波传播特性做出预测，目前已经得到了广泛的应用。压缩包里给出了二维抛物方程的matlab程序(The parabolic equation can quickly predict the propagation characteristics of large region waves. It has been widely used at present. In this paper, a two-dimensional parabolic equation program is given in this paper.)

通过对语音的读入，对起进行语谱分析，以前，接着对语音进行了基音的提取，对语音进行分析！(Through the voice to read the language have been carried out spectral nalysis, in the past, followed by a pitch on the voice of the extraction, analysis of the audio!)

利用此程序,可以计算出两离散序列的线性卷积和循环卷积。(calculating the linear_convolution and circular_convolution of two scattered data.)

实现基于BPSK的直接扩频信号调制，并显示出各阶段信号波形。(Direct-based BPSK modulated spread spectrum signal, and shows the signal waveform of each phase.)

采用Davenport功率谱密度函数，线性滤波法模拟风荷载(Davenport using power spectral density function, linear filtering method to simulate wind loads)

matlab的图论工具箱，基本够用了，大家试一试。(matlab toolbox graph theory, basic enough, please try.)

说明：  线性方程组的数值解法高斯消元法包括列主元消元法和高斯简顿消元法MATLAB环境编程实现线性方程组的解(Numerical Solution of Linear Equations Gaussian elimination method,including the mainelement elimination method and Gauss Jane Dunxiao element method.MATLAB environment,programming solution of linear equations)

在微电网中的分布式发电模型构建及控制策略研究(Microgrid distributed generation model and control strategy )

光谱数据预处理程序，包括MSC,SNV,归一化，中心化，导数等等(Spectral data preprocessing procedures, including MSC, SNV, normalization, centering, etc. derivative)

Assembel element matrices Ke ( and fe ) into the global stiffness matrix K ( and the global force vector f ) according to the topology matrix edof.